Comet vs Aster

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Comet compared with Aster
Detail	Comet	Aster
What it does	The AI Developer Platform	Intelligent Auto Routing
Stage	Not given	Growing
Founded	2017	Not given
Based in	US	Not given
Pricing model	Not given	usage-based
Pricing	Not given	aster-work: $0.40 input / $0.80 output per million tokens. aster-code: $0.80 input / $1.60 output per million tokens. No subscription or seat fees. Prepaid credits start at $5 with no expiry. Routing included in product rates.
Key features	LLM trace logging with 40+ integrations Automatic error detection and diagnostics Ollie agent for code fix recommendations Test Suites and 40+ LLM-as-a-judge evaluation metrics Production dashboards and alerts for agents Prompt playground and optimization Agent Playground for local agent development Cost intelligence for Claude Code and Codex tracking	Task-aware model routing Curated model collection
What makes it different	Truly open-source platform with enterprise-grade infrastructure Traces appear almost instantly even at high volumes Flexible hosting options including self-hosted, cloud, and custom deployments Easy integration with just a few lines of code Opik automatically turns trace data and eval results into code fixes	Reinforcement learning router trained on real task data 97.5% lower token cost vs frontier models Same product name regardless of underlying model
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	73 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	28	0
Citation Flow (Majestic)	51	11
Referring domains (Majestic)	4448	23

3 details filled in for both companies.

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